https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12307038Edit ImageSaveSaveEditCropCustom TextOne of Uncle Sam's new M-4 tanks is fueled for a training cruise at Fort Knox, Kentucky, where men of the armored forces are developed into hard-bitten "tankers". Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 966 px | 300 dpiLarge JPEG 3500 x 2817 px | 300 dpiBest Quality JPEG 5085 x 4092 px | 300 dpiTIFF 5085 x 4092 px | 300 dpi | 19.86 MBFree DownloadOne of Uncle Sam's new M-4 tanks is fueled for a training cruise at Fort Knox, Kentucky, where men of the armored forces are developed into hard-bitten "tankers". Sourced from the Library of Congress.More